Update!

Sale 1: https://backpack.tf/profiles/76561198093031738#!/compare/1712275200/1712361600

https://backpack.tf/profiles/76561198311498888#!/compare/1712275200/1712361600

Sold to a bot for 8 keys and ref

Sale 2: https://backpack.tf/profiles/76561199451855720#!/compare/1709596800/1710720000

https://backpack.tf/profiles/76561199049684775#!/compare/1710374400/1710633600

Untrace

Sale 3: https://backpack.tf/profiles/76561199049684775#!/compare/1710633600/1710720000

https://backpack.tf/profiles/76561198809223143#!/compare/1710720000/1710806400

Sold for 5 keys + Non-Craftable Professional Killstreak Black Rose Kit (~3 keys) + Professional's Ushanka (~2 keys)

5 + 3 + 2 = 10

Sale 4: https://backpack.tf/profiles/76561198809223143#!/compare/1711065600/1711497600

https://backpack.tf/profiles/76561199021037663#!/compare/1677456000/1711152000

Sold for a Non-Craftable Lucky No. 42 (6.6 keys) + 3 keys and 20 ref = ~10

Sale 5: https://backpack.tf/profiles/76561199021037663#!/compare/1711411200/1711497600

https://backpack.tf/profiles/76561198850178158#!/compare/1711411200/1711497600

Dumped to bot for 7 keys and ref

Sale 6: https://backpack.tf/profiles/76561198850178158#!/compare/1713657600/1713744000

https://backpack.tf/profiles/76561199651832992#!/compare/1713571200/1713657600

Only 5 keys match

Sale 7: https://backpack.tf/profiles/76561199245733895#!/compare/1708300800/1708387200

https://backpack.tf/profiles/76561199110809353#!/compare/1708300800/1708387200

Untrace

Sale 8: https://backpack.tf/profiles/76561199110809353#!/compare/1709164800/1709251200

https://backpack.tf/profiles/76561198193553109#!/compare/1704585600/1709251200

Sold for 10 pure

Classies: https://i.imgur.com/Rm2NkfQ.png. A very apparent 10 flat.